Talking about herring Learn more about Talking about herring
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A brief discussion on how to improve the survival rate of herring artificial reproduction
The mature stage of herring is later than that of silver carp, bighead carp and grass parent carp, and the gonadal development is generally difficult to reach the standard of induced delivery at the end of Ⅳ. Therefore, the method of ripening should be taken. Check the maturity of parent fish 15-20 days before spawning, and timely check the less mature female and male parent fish.
2020-11-08 Talking about herring survival rate how to improve artificial reproduction herring -
The latest scientific breeding: 200,000 catties of herring raised in one mu and a half water surface
The latest scientific breeding: 200,000 catties of herring raised in one mu and a half water surface
2018-07-09 -
Catch extra-large carp to break the fishing record
Recently, a fishing enthusiast in Shenyang caught an oversized carp weighing nearly 50 jin on the south bank of the Hunhe River on the west side of the Nanjing Bridge. Two years later, he broke the record of fishing carp in Shenyang again and became a veritable "carp king". At present, this.
2018-06-07 -
Knowledge points of herring culture
Knowledge points of herring culture
2020-01-27 -
How much is the herring per jin? What's the difference between grass carp and grass carp?
Herring is a kind of freshwater fish whose body color is cyan. It is very popular because of its rich nutrition and low price. At present, it is sold on the market. How much is the price of herring per jin? What's the difference between grass carp and grass carp? First, herring introduction: 1. What kind of fish is herring? Herring
2020-11-11 Herring price more less money one jin and grass carp yes what -
What is a herring stone? How do you pick it? How to polish and maintain? How much is one yuan?
The herring should be quite familiar, but you may not have heard of it with a herring stone hidden in its head. So what is the herring stone? How do you pick it? How to polish and maintain? Herring stone, also known as black carp stone, fish shock stone, fish essence stone, fish pillow stone, for
2020-11-11 Herring stone what is how pick polish maintenance -
Herring culture density
The suitable culture density of herring is about 800-1000 fish per mu, and the reasonable culture density can not only reduce the incidence of herring, but also facilitate pond management in the later stage, during which silver carp or bighead carp can be mixed, which can improve the water quality and promote
2020-11-08 Herring culture density summary herring suitable -
Can you raise herring in the north? It can be raised, but the main production area is south of the Yangtze River
Black carp can be cultured in north China, and it can survive in the temperature range of 0.5-40℃, and it has few diseases, and the culture technology is easy to master. Black carp is mainly cultured in the plain area south of Yangtze River, and less in the north of Yangtze River. Can you raise fish in the north?
2020-11-08 in the north can we raise herring? can we raise herring? but in the main production area? -
How much is the yield per mu of herring? To increase output, attention should be paid to the density of input and scientific management
Generally, the average yield per mu of cultured black carp is about 2000 jin, if it is cultured with high density and large specification, the yield per mu can reach about 4000 jin, and the specific yield depends on the size, density and breeding conditions of fry.
2020-11-08 raising herring requires attention in terms of yield per mu. -
What is the price of herring in 2019? What are the breeding techniques?
Herring is a large economic fish, only distributed in the plain area south of the Yangtze River in China, rich in a variety of minerals, is the top grade of freshwater fish. What about the price of herring in 2019? What are the breeding techniques? The price of herring in 2019
2020-11-11 2019 herring price quotation how culture technology have -
What kind of fish is herring? Why does the can stink so bad? How long is the shelf life?
In recent years, canned herring, a traditional Swedish food, has become an online celebrity and is well known for its special smell. Do you know what kind of fish herring is? Why is canned herring eaten so smelly? How long is the shelf life of the can? Herring is
2020-11-11 Herring what is it fish canned why so smelly shelf life -
How big can the herring grow?
Herring is mainly distributed in the plain area south of the Yangtze River, with fast growth and rich nutrition, so it is the top grade of freshwater fish. How big can the herring grow? Why don't we get to know it together? 1. How big can the herring grow? the herring belongs to large economic fish and grows.
2020-11-11 Herring can grow how big herring mainly distributed in the Yangtze River in -
Matters needing attention in herring culture
Matters needing attention in herring culture
2019-04-30 -
How to raise herring in winter
Herring culture mainly pays attention to increasing temperature and preventing cold in winter, because the air temperature is low in winter, the dissolved oxygen in the water decreases relatively, while the water level drops due to the freezing of the water surface, resulting in an increase in the density of herring in the pond, so it is necessary to ensure that there is a certain water level in the pond in winter.
2020-11-08 Winter herring how raise abstract winter raise herring main -
What are the differences between herring and grass carp?
What are the differences between herring and grass carp?
2018-09-08 -
How much is the price of herring fry now? How old can you grow in a year? What kind of food do you eat?
Herring is a kind of green fish, which is mainly distributed in the plain area south of the Yangtze River in China. it is one of the four domestic fish cultured in freshwater in China. So how much is the price of its fry? How old can you grow in a year? What kind of food would you like to eat? Learn from Wuhan Aquatic products Market
2020-11-11 Now green fish fry price yes more less money a year can grow -
How long is the life span of herring?
How long is the life span of herring?
2018-09-08 -
What kind of fish is herring? How much is the price per jin?
China has a vast water area, many rivers and lakes, a long coastline, and rich fish resources; according to the survey, there are more than 1000 species of freshwater fish and about 2000 species of marine fish in China. So, what kind of fish is herring? How much is the price per jin? 1. Green
2020-11-11 Herring what is it fish price yes more less money one jin our country -
High-yield culture techniques of herring
High-yield culture techniques of herring
2018-09-07 -
The technique of raising herring mainly in pond
The technique of raising herring mainly in pond
2018-09-08